Uploaded December 2018 | Updated September 2026, 5 hours ago

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My second mashup for Red Velvet's "RBB (Really Bad Boy)"! This time, it's with the instrumental of "Rookie". I wasn't really going to upload this mashup but it just fits so well, i can't help it, hahahaha! I hope you enjoyed this mashup! :)

I do not own anything. All media involved (excluding the mashup) belong to their respective owners.